Horizontal Carboy Terrarium in 5 gallon or 3 gallon glass carboy, set on its side. Fern, small leafy plants, mosses, stones and sand. Contact me to order a terrarium like this. Sand and stone color variations, including semi-precious stones, available. 5 gallon is 12-14″tall/20″wide, $375 standard. 3 gallon is 10-12″ tall, 16″ wide, $333 standard. Orders of 2+ 5 gallon $365 each, 3 gallon $320.